无法解决Android ClassNotFoundException
问题描述:
任何人都可以请告诉我是什么导致下面的错误?类被命名为HomePage.cs并位于正确的目录中。无法解决Android ClassNotFoundException
了java.lang.RuntimeException:无法实例活动ComponentInfo {App2.App2/App2.App2.HomePage}:抛出java.lang.ClassNotFoundException:找不到类 “App2.App2.HomePage”
HomePage.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Android.App;
using Android.Content;
using Android.OS;
using Android.Runtime;
using Android.Views;
using Android.Widget;
namespace App2
{
[Activity(Label = "HomePage")]
public class HomePage : Activity
{
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.home_page);
}
}
清单
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="App2.App2" android:versionCode="1" android:versionName="1.0">
<uses-sdk android:minSdkVersion="16" />
<application android:label="App2" android:debuggable="true">
<activity android:name=".HomePage">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
答
试试这个:
在清单文件中写入活动的全名(包)。
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="App2.App2" android:versionCode="1" android:versionName="1.0">
<uses-sdk android:minSdkVersion="16" />
<application android:label="App2" android:debuggable="true">
<activity android:name="App2.App2.HomePage">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>